CN1609456A - Transverse fan and method for producing transverse fan - Google Patents
Transverse fan and method for producing transverse fan Download PDFInfo
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- CN1609456A CN1609456A CNA2004100860112A CN200410086011A CN1609456A CN 1609456 A CN1609456 A CN 1609456A CN A2004100860112 A CNA2004100860112 A CN A2004100860112A CN 200410086011 A CN200410086011 A CN 200410086011A CN 1609456 A CN1609456 A CN 1609456A
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- blade
- impeller
- flow fan
- cross flow
- dividing plate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D17/00—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps
- F04D17/02—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal
- F04D17/04—Radial-flow pumps, e.g. centrifugal pumps; Helico-centrifugal pumps having non-centrifugal stages, e.g. centripetal of transverse-flow type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/02—Selection of particular materials
- F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
- F04D29/282—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis
- F04D29/283—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers the leading edge of each vane being substantially parallel to the rotation axis rotors of the squirrel-cage type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/384—Blades characterised by form
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/38—Blades
- F04D29/388—Blades characterised by construction
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/626—Mounting or removal of fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2210/00—Working fluids
- F05D2210/10—Kind or type
- F05D2210/12—Kind or type gaseous, i.e. compressible
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/40—Organic materials
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S415/00—Rotary kinetic fluid motors or pumps
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S417/00—Pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A cross flow fan of the present invention is connected with more than two impellers in central axis direction of cylinder impeller which is composed of annular clapboard and a plurality of impellers locating on the clapboard with cylinder type. A peripheral step portion is located in the peripheral surface of the clapboard of the impeller; a first gap is configured corresponding to the shape of the peripheral step portion on the peripheral part of the front surface of the lamina combining with a lamina groove. The combination is completed by means of injecting resin into the peripheral step portion under the state that the lamina of the impeller is inserted into the lamina groove of coadjacent impeller. According to the above constructure, it is able to provide a cross flow fan with low cost by means of injecting resin into the peripheral step portion by a plurality of impellers without ultrasonic thermoweld and annealing process.
Description
Technical field
The present invention relates to the manufacture method of cross flow fan and cross flow fan, relate to the cross flow fan that on the combined structure of impeller and associated methods, has feature in more detail.
Background technique
About the cross flow fan of existing air regulator, adopt Figure 14, Figure 15 and Figure 16 A, B to describe.
As shown in figure 14, the air-supply loop of the indoor unit 33 of air regulator (blast device part) is by suction portion 34, air filter 35, heat exchanger 36, cross flow fan 1 and blow out portion 37 and constitute, and is equivalent to the air flow path that air passes through respectively.In addition, cross flow fan 1 is connected on the live axle 39 of motor 38, is rotated driving.
Below, adopt Figure 15, Figure 16 A, B to describe about the formation of cross flow fan.
As shown in figure 15, cross flow fan 1 possess as the basic comprising parts, have axle 7 side plate 6, a plurality of impeller 2 and have the impeller units 8 of the motor-side end of wheel hub 9.
In addition, Figure 16 A represents a process of the assembly method of existing cross flow fan described later, the structure that Figure 16 B explanation impeller 2 mutually combines.
On the other hand, in blade groove 2a, pre-set welding, after an end 3y of blade 3 and blade groove 2a are chimeric,, make at the cross flow fan of running shaft direction in conjunction with a plurality of impellers 2 by thermal fusion welding or ultrasonic fusing with rib (not shown).
More particularly, such as, be placed on the dividing plate 4 if will transmit the horn body (horn, not shown) of the vibration that ultrasonic wave meets sb. at the airport, pressurize, apply vibration, so just the axial end face portion at blade 3 produces conduction vibration.Its result causes heating between welding is with rib (not shown) and blade 3, melt with rib by welding, and an end 3y of blade 3 and blade groove 2a are conducted welding and combine.Afterwards, with a plurality of impellers 2 axle direction conduct by the welding of repeated ultrasonic ripple welding in conjunction with after, make the blade groove 2a combination of the blade 3 and the impeller 2 of impeller units 8, by ultrasonic fusing make its conduction welding combine, like this, cross flow fan 1 is assembled.
In addition, open the spy and to disclose such manufacture method in the clear 55-160198 communique: as the countermeasure of axial shaft vibration, shown in Figure 16 A, plural at least impeller 2 is surrounded, carry out the rectification of axial shaft vibration with pushing around portion's material 40.
, in the cross flow fan and manufacture method thereof of above-mentioned existing structure, need repeatedly a plurality of impellers 2 to be made up successively, need the operation of repeated ultrasonic ripple welding, so there are the many problems of assembling number.In addition, make the state that does not have the slit with impeller 2 with pushing around portion's material 40, perhaps, impeller 2 is made the state of going into of giving as security, then when carrying out ultrasonic fusing, ultrasonic energy is pressed and absorbs around portion's material 40.Like this, with between the rib, do not conduct enough ultrasonic energies, produce that the conduction welding is insufficient, the unbalanced problem of combination force or the elongated problem of weld time in the axial end face portion of blade 3 and welding.
As its countermeasure,, then produce by this slit and cause other problem that axial shaft vibration is such if the slit is set pushing between portion's material 40 and impeller 2.
Summary of the invention
Cross flow fan of the present invention as adopting the resin can be with the structure of each impeller combination, injects resin between the axial end face of blade and blade groove.By cross flow fan being made such structure, blade firmly can be combined.In addition, because can remove axial shaft vibration,, can realize rotating smoothly so the balance in when rotation improves.And,, can provide cross flow fan with low cost because do not need ultrasonic fusing operation and balance correction process.And owing to do not need annealing operation, the first mate of the electricity charge cuts down the possibility that also becomes.
In the cross flow fan of the present invention, the blade groove on the dividing plate of the blade of an impeller and the impeller of adjacency combines.The outer circumferential face of dividing plate is provided with the periphery stepped part.On the peripheral part of the axial end face of the blade after the combination, have along the shape of periphery stepped part and first breach that forms.This cross flow fan has such feature: the blade groove of the blade of an impeller and the impeller of adjacency is by injecting resin and combination to the periphery stepped part.
According to above-mentioned structure, owing to a plurality of impellers get up by injecting resin-bonded to the periphery stepped part, so, can remove ultrasonic fusing operation and annealing in process operation, can obtain cheap cross flow fan.
Secondly, fan of the present invention has following feature: be provided with the slit between the bottom surface of the blade groove of the axial end face of the blade of an impeller and the impeller of adjacency; The axial end face of blade is provided with second breach; And dividing plate is provided with the rib that combines with second breach.
According to above-mentioned structure, the rib combination of second breach and dividing plate by blade can be located at axle direction, so can obtain the good cross flow fan of axial length precision; In addition, a plurality of impellers pass through to inject resin and combination between the axial end face of periphery stepped part and blade and blade groove, obtaining strong combination force, and can remove ultrasonic fusing operation and annealing in process operation, so can obtain cheap and firm cross flow fan.
Have, cross flow fan of the present invention has following feature again: by to by the wall of the axial front-end face of blade, blade groove be arranged on and inject resin in the slit that the barrier of the opening portion of all sides in the blade groove forms and combine.
According to above-mentioned structure, can access such cross flow fan: inject resin and blocked by wall between the axial end face of blade and blade groove, therefore can center side axially not flow out, a plurality of impellers can stably combine.
Also have, cross flow fan of the present invention has such feature: the front-end face at blade is provided with the special-shaped shape that increases bonded area.
According to above-mentioned structure, because a plurality of impellers are between the axial end face of blade and blade groove and increase potting resin in the shape of bonded area of axial end face of blade, so the area of contact of the resin that injects can be obtained the cross flow fan of strong combination force by the combination of more ground.
In addition, cross flow fan of the present invention has such feature: the internal diameter of interior all sides of blade that constitutes impeller is littler than the internal diameter of dividing plate, and, be provided with in the end of interior all sides of the front-end face of blade with the inner periphery of dividing plate can in conjunction with jut.
According to above-mentioned structure, with the blade of impeller and blade groove in conjunction with the time, become the guide of inhibition, so can obtain to make easily the cross flow fan of blade and blade groove combination to the Normal direction dislocation.
In addition, cross flow fan of the present invention has such feature: be provided with in a blade groove at least than the little periphery wall of periphery stepped part external diameter, at the peripheral part of the axial end face of the blade that combines with it three breach littler than the internal diameter of peripheral part be set.
According to above-mentioned structure, can prevent from outer circumferential side to the blade groove of the corresponding impeller of removing of blade of impeller units in flow into resin.
The manufacture method of cross flow fan of the present invention has such feature: it has following operation: the operation of injection molding impeller, in conjunction with the operation of blade and blade groove and inject the operation of resin to the periphery stepped part.
Manufacture method according to cross flow fan of the present invention and cross flow fan, a plurality of impellers pass through to inject resin and combination between the axial end face of periphery stepped part or blade and blade groove, can remove ultrasonic fusing operation and annealing in process operation, so but the electricity charge first mate in the cross flow fan assembling procedure cuts down, equipment investment or transformation when not needing corresponding new machine, very economical.
In addition, do not need the welding operation of impeller, and, the axial shaft vibration that produces when not having welding, thus do not need the balance correction process, but the first mate cuts down the assembling number, can obtain cross flow fan with low cost.
And, because the annealing operation of the distortion that produces when not needing to be used to remove welding, so but the electricity charge first mate in the cross flow fan assembling procedure cut down, and the axial shaft vibration that produces owing to almost not having welding is so can improve performance.
Have again, because between the axial end face of blade and blade groove, inject resin, so can obtain the cross flow fan of firm combining, and, because do not need welding and annealing operation, so just do not need new machine to equipment investment or transformation in the seasonable cross flow fan assembling, have the effect of Economy.
Description of drawings
Fig. 1 is the exploded perspective view of expression embodiment of the present invention 1.
The stereogram of Fig. 2 for watching from the impeller dividing plate of expression embodiment of the present invention 1.
Fig. 3 for from the stereogram watched of the relative side of impeller dividing plate of expression embodiment of the present invention 1.
Fig. 4 is the partial cross section stereogram at the position of expression combination embodiment of the present invention 1 impeller.
Fig. 5 is the impeller of expression combination embodiment of the present invention 1, injects the partial cross section stereogram of resin part.
Fig. 6 be embodiment of the present invention 1 with the formed in mould stereogram of injection molding.
Fig. 7 A is the stereogram of expression combined impeller and impeller units and side plate operation.
Fig. 7 B is the parallel sectional view of cross flow fan axle direction with the mould that injects resin of the present invention.
Fig. 7 C is the major component amplification mode figure at Z position among Fig. 7 B.
Fig. 8 is the part stereogram of the impeller of expression embodiment of the present invention 2.
Fig. 9 A is for injecting the sectional view of the cross flow fan before of the resin shown in the embodiment of the present invention 2.
Fig. 9 B represents to inject the sectional view of the cross flow fan after the resin of embodiment of the present invention 2.
Figure 10 A is the stereogram of watching from dividing plate one side of the impeller of embodiment of the present invention 3.
Figure 10 B is the stereogram from watching with the dividing plate opposition side of the impeller of embodiment of the present invention 3.
Figure 11 A combines cross-sectional perspective view before for the blade of expression embodiment of the present invention 3 with blade groove.
Figure 11 B is the blade of expression embodiment of the present invention 3 and the cross-sectional perspective view after the blade groove combination.
Figure 12 is the blade and the blade groove combination of expression embodiment of the present invention 4, injects the partial cross section stereogram of resin state.
Figure 13 is the blade of expression embodiment of the present invention 5 and the partial cross section stereogram of blade groove combination.
Figure 14 is the structural model figure of the indoor unit of air regulator.
Figure 15 is the structural model figure of cross flow fan.
Figure 16 A, B are the structural model figure of the shaft vibration countermeasure of the existing cross flow fan of expression.
Embodiment
Below, about embodiments of the present invention, describe with reference to drawing.In addition, about embodiments of the present invention, though the cross flow fan of the indoor unit that is used for air regulator is illustrated, applicable pattern of the present invention is not limited to this, as long as a plurality of impellers constitute by welding or joint, can play same effect.
In addition, about with the same component parts of structure of the cross flow fan shown in Figure 14～Figure 16 A, B, give identical symbol and omit its detailed explanation and with the marriage relation of other component parts.
Mode of execution 1
At first, adopt Fig. 1～Fig. 6 to describe with regard to mode of execution 1.
As shown in Figure 1, the cross flow fan 1 of embodiment of the present invention 1 possesses: have side plate 6, a plurality of impeller 2 of axle 7 and have the impeller units 8 of wheel hub 9.
Fig. 2 is for watching the stereogram of impeller 2 from dividing plate 4 one sides; The stereogram of Fig. 3 for watching from dividing plate 4 opposition sides.Dividing plate 4 is provided with the blade groove 5 chimeric with an end 3c of blade 3.
The outer circumferential face of dividing plate 4 is provided with periphery stepped part 10, and is roughly in the same plane with the bottom surface of blade groove 5.Fig. 4 represents periphery stepped part 10 in more detail.Periphery stepped part 10 is formed on the shape that stepped part is set on the outer periphery of an end 3c inserting side of blade 3 at dividing plate 4 places of ring-type, be called from outside the circumferential ring-type recess that retreats of radial direction.That is, periphery stepped part 10 is the thin step shape portion of the ring-type on the most peripheral that is formed at dividing plate 4.Blade groove 5 is made of wall respect to one another and bottom surface.Therefore, the shape of periphery stepped part 10 has the wall height with the roughly the same height of blade groove 5, has the par with the roughly the same height in bottom surface of blade groove 5.Here, the wall of periphery stepped part 10 is the part that is in parallel direction with the axle of impeller, the axial distance of the high expression of so-called wall.In addition, the par of so-called periphery stepped part 10 refers to be in the part of Vertical direction with the axle of impeller.
Fig. 4 is blade groove 5 and second breach 12 and rib 13 combinations of the impeller 2 of expression blade 3 adjacency, is provided with the cross-sectional perspective view of the state in slit 14 between the axial end face of blade 3 and blade groove 5; Fig. 5 is illustrated between the periphery stepped part 10 of cross flow fan 1 of Fig. 4 state and the slit 14 to inject resin 15, is formed with the partial cross section stereogram of state of the resin 15 of ring-type at the peripheral part of dividing plate 4.
Adopt Fig. 6, Fig. 7 A, B, C that manufacture method of the present invention is described.At first, adopt impeller injection molding mould 16, impeller units injection molding mould 17 and side plate injection molding mould 18, injection molding impeller 2, impeller units 8 and side plate 6 respectively.Then, shown in Fig. 7 A, each blade 3 and blade groove 5 are combined, carry out the assembling of cross flow fan.
Fig. 7 B is used for the resin that impeller engages and sectional view on the axle direction parallel direction of the cross flow fan 1 of mould 19a, the 19b that uses in order to inject.Stream 22 by periphery stepped part 10 and mould 19a or mould 19b formation resin.The width of stream 22 is the highly also narrow width of wall portion than the periphery stepped part 10 that forms on dividing plate 4.Have first slide block 20 and second slide block 21 of on axle direction, pushing cross flow fan 1 at axial two ends.
Fig. 7 C is the Z main position enlarged view partly that the dotted line of Fig. 7 B surrounds.Expression is used for injecting the mould 19a of resin and the relation between periphery stepped part 10 and the impeller 2 to periphery stepped part 10.The part relative with periphery stepped part 10 at mould 19a formed stream 22, and resin injects this stream 22, buries periphery stepped part 10 thereby flow into.Its result as shown in Figure 5, by the resin 15 of ring-type, is fused at the impeller 2 of running shaft direction adjacency and fixes.
By the combined structure of above-mentioned this cross flow fan 1, blade 3 and blade groove 5 in conjunction with the time, at first breach 11 of the peripheral part configuration blade 3 of dividing plate 4, constitute a part of wall of periphery stepped part 10.In addition, second breach 12 and rib 13 combinations of all sides in being arranged on form slit 14 between the axial end face of blade 3 and blade groove 5.Because blade groove 5 is being connected with periphery stepped part 10, so periphery stepped part 10 and slit 14 couple together.In addition, dwindle the width of resin stream 22, make its wall height that is narrower than periphery stepped part 10,,, also can not leak even resin is injected in slit 14 by making second breach 12 and rib 13 combinations.The dividing plate 4 that injects other impellers 2 of the blade 3 of 15, one impellers 2 of resins and adjacency by the stream 22 to resin can combine, so do not use ultrasonic fusing, a plurality of impellers 2 can be coupled together.
Moreover, adopting first slide block 20 and second slide block 21, under the state of pushing impeller on the axle direction, inject resin 15 to slit 14 by stream 22.Therefore, can not take place by end face on the axle direction of blade 3 and blade groove 5 combinations, can obtain firm cross flow fan because of can't bear the unfavorable condition that injection pressure causes that resin 15 leaks.In addition, owing to do not need the ultrasonic fusing operation, the annealing in process operation of the residual stress that produces when removing ultrasonic fusing has not just needed yet.And, because the shaft vibration on the axle direction that produces when not having ultrasonic fusing, so, the uneven operation that produces when not needing to correct cross flow fan 1 rotation.
As mentioned above, because can omit ultrasonic fusing operation, annealing in process operation, balance correction process, so cross flow fan cheaply can be provided from the assembling procedure of cross flow fan 1.And, because omitted annealing operation, so can cut down the electricity charge in the cross flow fan assembling procedure significantly.In addition, second breach 12 of blade 3 and the rib 13 of dividing plate 4 are being pushed on axle direction by first slide block 20 and second slide block 21 and are being combined, so, can on axle direction, locate, can obtain the good cross flow fan of length precision on the axle direction.
In addition, replace second breach 12 that projection is set, the groove that will combine with it is arranged on the dividing plate 4, also can obtain same effect.
Mode of execution 2
Next, about embodiments of the present invention 2, describe with reference to Fig. 8, Fig. 9 A, B.But, about then giving same figure number and omit its detailed description with the same component parts of mode of execution 1.
As shown in Figure 8, the impeller 2 of embodiments of the present invention 2 has periphery stepped part 10 at the outer circumferential face of dividing plate 4.Form the end difference 23 with width littler than the axial front-end face width of blade along the wall of blade groove 5, the opening end of all sides in blade groove 5 is striden whole groove width and is provided with barrier (sheathing wall) 24 with end difference 23 equal heights.Be illustrated in the example that end difference 23 is set respectively on the wall of two side channels of blade groove 5 among Fig. 8.Fig. 9 A, B be with blade 3 and blade groove 5 in conjunction with after the parallel sectional view of axle direction.Fig. 9 A is for injecting resin 15 sectional view before; Fig. 9 B is for injecting resin 15 sectional view afterwards.
Under the state of blade 3 and blade groove 5 combinations, first slide block 20 and second slide block 21 are pushed the impeller 2 of adjacency at axle direction.Its result, by end difference 23 and barrier 24, the position of blade 3 on axle direction decided.Simultaneously, form space 25 by stepped part 23, barrier 24 in the front-end face on the axle direction of blade 3 and blade groove 5 and the groove.Because blade groove 5 is being connected with periphery stepped part 10, so periphery stepped part 10 and space 25 couple together.
In the combined structure of above-mentioned this cross flow fan, inject resin 15 in stream 22, then resin 15 is erect barrier 24 block flow that are provided with by the interior all sides at end difference 23 and dividing plate 4 with respect to the bottom surface of blade groove from periphery stepped part 10 inflow spaces 25.Its result, end face on the axle direction of blade 3 and blade groove 5 combinations can obtain the cross flow fan 1 of firm combined structure.In addition, owing to do not need the ultrasonic fusing operation, the annealing in process operation of the residual stress that produces when removing ultrasonic fusing has not just needed yet.And, because the shaft vibration on the axle direction that produces when not having ultrasonic fusing, so, the uneven operation that produces when not needing to correct cross flow fan 1 rotation.
Therefore, owing to the ultrasonic fusing operation, annealing in process operation, the balance correction process that do not need as the assembling procedure of cross flow fan 1, so cross flow fan cheaply can be provided.
In addition, barrier 24 is not arranged on blade groove 5, can obtain same effect even be arranged on the blade 3 yet.And the end difference 23 of replacement blade groove 5 even the front end on the axle direction of blade 3 is provided with end difference, also can obtain same effect.
Mode of execution 3
Below, about embodiments of the present invention 3, with reference to watching the stereogram 10A of impeller 2 and watch the stereogram 10B of impeller 2 to describe from an opposite side of dividing plate 4 from dividing plate 4.
In the present embodiment 3, with mode of execution 1 difference be: with the inner peripheral surface 26 of blade form interior week end 27 less than dividing plate 4, at the axial end face of blade 3, with from inner peripheral surface 26 to dividing plate interior week of 4 end 27 width at the axle direction of blade jut 28 is set.Here, so-called jut 28 refers to the guiding rib in the interior perimembranous setting of blade 3.
In addition, Figure 11 A is blade 3 and blade groove 5 cross-sectional perspective view in conjunction with preceding state; Figure 11 B is the cross-sectional perspective view after the combination.
According to mode of execution 3, make blade 3 and blade groove 5 in conjunction with the time, make an impeller 2 rotation at least.At this moment, rotate by the face of jut 28 while the interior all ends 27 that prop up dividing plate, can not misplace between the impeller 2 during rotation in diametric(al), can rotate smoothly, so, can make blade 3 and blade groove 5 combinations like a cork, owing to reduced the assembling number, so can obtain cross flow fan 1 cheaply.
In addition, replace jut 28, breach is set and its guided rings of guiding is set on dividing plate, can obtain same effect by internal diameter one side at blade 3 axial front-end faces.
Mode of execution 4
Below, about embodiments of the present invention 4, describe with reference to Figure 12.Figure 12 is under the state of blade 3 and blade groove 5 combinations, and the figure of the state that injects resin 15 is described.In the present embodiment be: the depression 29 that the bonded area of increase and resin 15 is set at the axial end face of blade 3 with mode of execution 1 difference.
According to mode of execution 4, because the axial end face of blade 3 increases with the face that resin 15 contacts, so can obtain the firmer cross flow fan 1 of combination force between blade 3 and the blade groove 5.
In addition, depression 29 is not limited to rectangle.That is, also can be the special-shaped shape of R shape, triangle, zigzag fashion, concaveconvex shape etc.By special-shaped shape is set, the bonded area of blade 3 and resin 15 increases, and can obtain firmer combination force.
Mode of execution 5
Next, about embodiments of the present invention 5, describe with reference to Figure 13.Figure 13 is the partial cross section stereogram of blade groove 5 bonding states of the impeller 2 of the blade 3 of impeller units 8 and adjacency.Figure 13 is in order to adopt screw that the live axle 39 of the hub portion of impeller units 8 and motor is screwed in operation together like a cork and the figure that describes when imagining in a plurality of blades 3 of removing impeller units 8 a slice at least.On the blade groove of the impeller 2 that combines with the blade 3a (representing) that is removed, the periphery wall 30 of the following outside dimension of external diameter with periphery stepped part 10 is set with dotted line.According to this structure, the opening of the outer circumferential side of the non-existent blade groove 5 of blade 3a is covered by periphery wall 30.By covering blade groove 5,, also can prevent the blade groove 5 that resin flows into does not have blade 3a even resin injects periphery stepped part 10 by periphery wall 30.In addition, replace periphery wall 30 is set, bury the blade groove that combines with the blade 3a of removal in the impeller units 8, also can obtain same effect even be shaped to.
In addition, also can not remove blade 3a, periphery wall 30 is set.In this case, the 3rd breach 31 is set on blade 3a.The 3rd breach 31 is processed into the shape of the interior perimembranous of the periphery wall 30 of can packing into.By such structure, the resin 15 that is injected into is blocked by periphery wall 30, and resin can not flow in the blade groove 5 of the blade 3a that packs into.
Claims (12)
1. cross flow fan, it is by annular baffle and the impeller that constitutes with the cylindric a plurality of blades that are disposed on the described dividing plate, is connected with more than two along the central axis direction of described cylindric impeller, it is characterized in that,
Described dividing plate has: a plurality of blade grooves that described a plurality of blades that described impeller had of adjacency are individually inserted and be formed on the periphery stepped part of peripheral part in the form of a ring with the width of regulation,
Described a plurality of blade has first breach as the outer circumferential side part end, that be formed on described impeller that is connected with described blade groove,
And, have the resin of fixing described blade and inserting the blade groove of described blade in described periphery stepped part.
2. cross flow fan as claimed in claim 1 is characterized in that,
Described dividing plate also have width with regulation be formed in interior all stepped part of ring-type of perimembranous, described a plurality of blades also interior all sides of described impeller have with described in second breach that joins of the outward edge of all stepped part.
3. cross flow fan as claimed in claim 1 is characterized in that,
Described dividing plate also has the barrier of opening portion that is formed on interior all sides of described blade groove with the height of regulation, and described resin is filled the space that front end and described blade groove by described wall, described blade form.
4. cross flow fan as claimed in claim 3 is characterized in that,
Described dividing plate also has stepped part in the groove that forms on the cell wall that constitutes described blade groove, stepped part contacts with the front end of described blade in the described groove.
5. cross flow fan as claimed in claim 1 is characterized in that,
Described blade has the shape of abnormity at front end.
6. cross flow fan as claimed in claim 1 is characterized in that,
The interior Zhou Jing of described impeller is littler than the internal diameter of described dividing plate, and described blade also has jut in the interior perimembranous of described blade, and described jut is disposed at the interior week of described dividing plate.
7. cross flow fan as claimed in claim 1 is characterized in that,
Described impeller is an impeller of having removed the plural described blade of or adjacency,
The impeller of described impeller and adjacency in the outer circumferential side end of the described blade groove corresponding with the described blade of removing, has the periphery wall with the equal width of groove width of described blade groove.
8. the manufacture method of a cross flow fan, described cross flow fan is to connect two above impellers at the central axis direction of described cylinder to constitute, described impeller constitutes by the dividing plate of ring-type with the cylindric a plurality of blades that are disposed on the described dividing plate, it is characterized in that having:
Will with a plurality of blades of other impellers of described impeller adjacency insert described impeller a plurality of blade grooves that dividing plate had be connected operation;
Resin is injected the operation of periphery stepped part that is formed on the peripheral part of described dividing plate with Rack in the form of a ring; And
By with the fixing described blade of resin with insert the blade groove of described blade, other impellers of described impeller and described adjacency are combined.
9. the manufacture method of cross flow fan as claimed in claim 8 is characterized in that,
Also has operation with described impeller injection molding.
10. the manufacture method of cross flow fan as claimed in claim 8 is characterized in that,
Described connection operation comprises following operation: at the breach of interior all sides that will be formed at described blade, after chimeric, between the bottom surface of the front end of described blade and described blade groove, form the space with interior all stepped part of the shape of described breach ring-type identical shaped, that be formed on all sides in the described dividing plate.
11. the manufacture method of cross flow fan as claimed in claim 8 is characterized in that,
Form the barrier of specified altitude in advance in interior all sides of the described blade groove of described dividing plate, the injection process of described resin is exactly the operation of the described resin of filling in the space that front end and described blade groove by described barrier, described blade form.
12. the manufacture method of cross flow fan as claimed in claim 8 is characterized in that,
Interior Zhou Jing with described impeller forms littler than the internal diameter of described dividing plate in advance, and the end in the described all sides that are positioned at described blade forms jut, described connection operation is by the guide portion of the described jut of interior Zhou Zuowei of described dividing plate is used, and inserts the operation of a plurality of blades of other impellers of adjacency in the blade groove of described impeller.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003363073 | 2003-10-23 | ||
| JP2003363073A JP4507553B2 (en) | 2003-10-23 | 2003-10-23 | Cross flow fan and cross flow fan manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1609456A true CN1609456A (en) | 2005-04-27 |
| CN1311165C CN1311165C (en) | 2007-04-18 |
Family
ID=34642505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100860112A Expired - Fee Related CN1311165C (en) | 2003-10-23 | 2004-10-22 | Transverse fan and method for producing transverse fan |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4507553B2 (en) |
| KR (1) | KR101110946B1 (en) |
| CN (1) | CN1311165C (en) |
Cited By (7)
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| CN102788031A (en) * | 2011-05-19 | 2012-11-21 | 建准电机工业股份有限公司 | horizontal convection fan |
| CN103717904A (en) * | 2011-08-01 | 2014-04-09 | 松下电器产业株式会社 | Once through fan |
| CN104747492A (en) * | 2013-12-25 | 2015-07-01 | 珠海格力电器股份有限公司 | Cross-flow impeller, cross-flow fan and wall-mounted air conditioner |
| CN104981612A (en) * | 2013-02-12 | 2015-10-14 | 大金工业株式会社 | Air conditioner |
| CN106871238A (en) * | 2017-02-22 | 2017-06-20 | 美的集团股份有限公司 | Air-supply assembly and indoor apparatus of air conditioner |
| CN108350893A (en) * | 2015-10-30 | 2018-07-31 | 大金工业株式会社 | Cross flow fan |
| CN114659169A (en) * | 2022-03-28 | 2022-06-24 | 青岛海尔空调器有限总公司 | Indoor unit of air conditioner |
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| JP4757110B2 (en) * | 2006-06-23 | 2011-08-24 | 日清紡メカトロニクス株式会社 | Cross flow fan |
| WO2015146371A1 (en) * | 2014-03-25 | 2015-10-01 | 京セラドキュメントソリューションズ株式会社 | Cross-flow fan, electronic device, and impeller |
| WO2016067760A1 (en) | 2014-10-30 | 2016-05-06 | 京セラドキュメントソリューションズ株式会社 | Cross flow fan, electric product provided with cross flow fan, and impeller used in cross flow fan |
| BR112019007618A2 (en) | 2016-10-18 | 2019-07-02 | Carrier Corp | fan assembly |
| US11041502B2 (en) * | 2018-01-30 | 2021-06-22 | Carrier Corporation | Double inlet backward curved blower |
| CN108723774B (en) * | 2018-08-14 | 2023-07-28 | 广东朗迪智能装备有限公司 | Full-automatic production equipment for cross-flow fan impeller |
| CN114264410A (en) * | 2021-12-23 | 2022-04-01 | 南通清风通用机械有限公司 | Real-time detection device for welding machining of fan impeller |
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| CN1034043A (en) * | 1987-12-30 | 1989-07-19 | 赤石金属工业株式会社 | Cylindrical fan of multiblade |
| IT1238471B (en) * | 1990-02-02 | 1993-08-18 | Elettrovago Spa | IMPELLER FOR FANS |
| CN1021662C (en) * | 1990-05-22 | 1993-07-21 | 赤石金属工业株式会社 | Fan that can be coupled |
| JP2535784Y2 (en) * | 1991-03-07 | 1997-05-14 | 太平洋工業株式会社 | Components of unequal pitch cylindrical impeller |
| US5165855A (en) * | 1991-06-25 | 1992-11-24 | Case Corporation | Transverse blower fan and method of assembly |
| DE29718082U1 (en) | 1997-10-11 | 1999-02-11 | Papst Motoren Gmbh & Co Kg | Small fan unit, especially for use as a circuit board fan |
| JP2002017127A (en) | 2000-07-10 | 2002-01-22 | Kubota Corp | Centrifugal fan for fertilizing unit |
| JP3695294B2 (en) * | 2000-07-19 | 2005-09-14 | 松下電器産業株式会社 | Cross flow fan |
| JP2002257078A (en) * | 2001-02-26 | 2002-09-11 | Matsushita Electric Ind Co Ltd | Multi-bladed impeller and its manufacturing method |
| JP3831401B1 (en) * | 2005-12-13 | 2006-10-11 | 株式会社ビック．ツール | Thinner regenerant |
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- 2003-10-23 JP JP2003363073A patent/JP4507553B2/en not_active Expired - Fee Related
-
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- 2004-10-21 KR KR1020040084427A patent/KR101110946B1/en not_active IP Right Cessation
- 2004-10-22 CN CNB2004100860112A patent/CN1311165C/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788031A (en) * | 2011-05-19 | 2012-11-21 | 建准电机工业股份有限公司 | horizontal convection fan |
| CN102788031B (en) * | 2011-05-19 | 2015-09-30 | 建准电机工业股份有限公司 | horizontal convection fan |
| CN103717904A (en) * | 2011-08-01 | 2014-04-09 | 松下电器产业株式会社 | Once through fan |
| CN104981612A (en) * | 2013-02-12 | 2015-10-14 | 大金工业株式会社 | Air conditioner |
| CN104981612B (en) * | 2013-02-12 | 2017-02-22 | 大金工业株式会社 | Air conditioner |
| CN104747492A (en) * | 2013-12-25 | 2015-07-01 | 珠海格力电器股份有限公司 | Cross-flow impeller, cross-flow fan and wall-mounted air conditioner |
| CN108350893A (en) * | 2015-10-30 | 2018-07-31 | 大金工业株式会社 | Cross flow fan |
| CN106871238A (en) * | 2017-02-22 | 2017-06-20 | 美的集团股份有限公司 | Air-supply assembly and indoor apparatus of air conditioner |
| CN106871238B (en) * | 2017-02-22 | 2019-07-30 | 美的集团股份有限公司 | Air-supply assembly and air conditioner indoor unit |
| CN114659169A (en) * | 2022-03-28 | 2022-06-24 | 青岛海尔空调器有限总公司 | Indoor unit of air conditioner |
| CN114659169B (en) * | 2022-03-28 | 2024-01-16 | 青岛海尔空调器有限总公司 | Indoor unit of air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| KR101110946B1 (en) | 2012-02-21 |
| CN1311165C (en) | 2007-04-18 |
| KR20050039613A (en) | 2005-04-29 |
| JP4507553B2 (en) | 2010-07-21 |
| JP2005127208A (en) | 2005-05-19 |
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